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МатематикаВопрос:
18 11/8 - 8/13 =
Ответ:
18 11/8 - 8/13 = 155/8 - 8/13 = (155 * 13)/(8 * 13) - (8 * 8)/(13 * 8) = 2015/104 - 64/104 = 1951/104 = 18 83/104
Ответ: 18 83/104
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